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Chemistry, 14.09.2019 11:30 hannahbannana98
If an athlete runs at a speed of 12.9 km/hour, how long will it take the athlete to run a marathon (about 42.2 km)? express your answer in hours using the correct number of significant figures. do not enter your answer using scientific notation.
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If an athlete runs at a speed of 12.9 km/hour, how long will it take the athlete to run a marathon (...
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